Analysis
- max time kernel
148s - max time network
149s - platform
windows10_x64 - resource
win10v20201028 - submitted
22/03/2021, 06:51
General
- Target Purcahse_Order_3222021.exe
- Size 1023KB
- Sample210322-qrxhm1fb5s
- SHA256 96be17cdcc9ea6acc0cb3ff4e463ad708b4abba9e66804040294b7c7dbdaf4a8
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://107.180.26.185/
-
Port
21
-
Username
gvj0stcg2jyc
-
Password
P4bl0Ac3v3d0.
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Drops file in Drivers directory 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purcahse_Order_3222021.exe"C:\Users\Admin\AppData\Local\Temp\Purcahse_Order_3222021.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yGLBerQhRhDwAP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp28C.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Purcahse_Order_3222021.exe"C:\Users\Admin\AppData\Local\Temp\Purcahse_Order_3222021.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/360-26-0x0000000006450000-0x0000000006451000-memory.dmp
memory/360-25-0x0000000005BC0000-0x0000000005BC1000-memory.dmp
memory/360-24-0x00000000058C0000-0x00000000058C1000-memory.dmp
memory/360-19-0x0000000073430000-0x0000000073B1E000-memory.dmp
memory/360-16-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4696-8-0x0000000005010000-0x0000000005011000-memory.dmp
memory/4696-13-0x0000000006080000-0x00000000060E7000-memory.dmp
memory/4696-12-0x00000000052E0000-0x00000000052EB000-memory.dmp
memory/4696-11-0x0000000005390000-0x0000000005391000-memory.dmp
memory/4696-10-0x0000000005B30000-0x0000000005B31000-memory.dmp
memory/4696-9-0x00000000052F0000-0x00000000052F1000-memory.dmp
memory/4696-2-0x0000000073430000-0x0000000073B1E000-memory.dmp
memory/4696-7-0x0000000005130000-0x0000000005131000-memory.dmp
memory/4696-6-0x0000000005630000-0x0000000005631000-memory.dmp
memory/4696-5-0x0000000005090000-0x0000000005091000-memory.dmp
memory/4696-3-0x00000000006F0000-0x00000000006F1000-memory.dmp